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Java Source Code / Java Documentation » GIS » GeoServer » org.vfny.geoserver.wms.responses 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.vfny.geoserver.wms.responses.AbstractGetMapProducer
      org.vfny.geoserver.wms.responses.AbstractRasterMapProducer
         org.vfny.geoserver.wms.responses.DefaultRasterMapProducer

All known Subclasses:   org.vfny.geoserver.wms.responses.map.png.PNGMapProducer,  org.vfny.geoserver.wms.responses.map.gif.GIFMapProducer,  org.vfny.geoserver.wms.responses.map.geotiff.GeoTiffMapProducer,  org.vfny.geoserver.wms.responses.map.tiff.TiffMapProducer,  org.vfny.geoserver.wms.responses.map.jpeg.JPEGMapProducer,
DefaultRasterMapProducer
abstract public class DefaultRasterMapProducer extends AbstractRasterMapProducer implements RasterMapProducer(Code)
Abstract base class for GetMapProducers that relies in LiteRenderer for creating the raster map and then outputs it in the format they specializes in.

This class does the job of producing a BufferedImage using geotools LiteRenderer, so it should be enough for a subclass to implement

Generates a map using the geotools jai rendering classes. Uses the Lite renderer, loading the data on the fly, which is quite nice. Thanks Andrea and Gabriel. The word is that we should eventually switch over to StyledMapRenderer and do some fancy stuff with caching layers, but I think we are a ways off with its maturity to try that yet. So Lite treats us quite well, as it is stateless and therefore loads up nice and fast.


author:
   Chris Holmes, TOPP
author:
   Simone Giannecchini, GeoSolutions
version:
   $Id: DefaultRasterMapProducer.java 7925 2007-12-04 15:28:15Z aaime $



Constructor Summary
public  DefaultRasterMapProducer()
    
public  DefaultRasterMapProducer(WMS wms)
    
public  DefaultRasterMapProducer(String outputFormat, WMS wms)
    
public  DefaultRasterMapProducer(String outputFormat, String mime, WMS wms)
    

Method Summary
protected  RenderedImageforceIndexed8Bitmask(RenderedImage originalImage)
    
protected  RenderedImageprepareImage(int width, int height, IndexColorModel palette, boolean transparent)
     Sets up a BufferedImage.TYPE_4BYTE_ABGR if the paletteInverter is not provided, or a indexed image otherwise.
public  voidproduceMap()
     Performs the execute request using geotools rendering.
public  voidwriteTo(OutputStream out)
     Writes the image to the client.


Constructor Detail
DefaultRasterMapProducer
public DefaultRasterMapProducer()(Code)



DefaultRasterMapProducer
public DefaultRasterMapProducer(WMS wms)(Code)



DefaultRasterMapProducer
public DefaultRasterMapProducer(String outputFormat, WMS wms)(Code)



DefaultRasterMapProducer
public DefaultRasterMapProducer(String outputFormat, String mime, WMS wms)(Code)




Method Detail
forceIndexed8Bitmask
protected RenderedImage forceIndexed8Bitmask(RenderedImage originalImage)(Code)

Parameters:
  originalImage -



prepareImage
protected RenderedImage prepareImage(int width, int height, IndexColorModel palette, boolean transparent)(Code)
Sets up a BufferedImage.TYPE_4BYTE_ABGR if the paletteInverter is not provided, or a indexed image otherwise. Subclasses may override this method should they need a special kind of image
Parameters:
  width -
Parameters:
  height -
Parameters:
  paletteInverter -



produceMap
public void produceMap() throws WmsException(Code)
Performs the execute request using geotools rendering.
Parameters:
  map - The information on the types requested.
throws:
  WmsException - For any problems.



writeTo
public void writeTo(OutputStream out) throws org.vfny.geoserver.ServiceException, java.io.IOException(Code)
Writes the image to the client.
Parameters:
  out - The output stream to write to.
throws:
  org.vfny.geoserver.ServiceException - DOCUMENT ME!
throws:
  java.io.IOException - DOCUMENT ME!



Fields inherited from org.vfny.geoserver.wms.responses.AbstractRasterMapProducer
protected RenderedImage image(Code)(Java Doc)

Methods inherited from org.vfny.geoserver.wms.responses.AbstractRasterMapProducer
public RenderedImage getImage()(Code)(Java Doc)

Fields inherited from org.vfny.geoserver.wms.responses.AbstractGetMapProducer
protected boolean abortRequested(Code)(Java Doc)
protected String format(Code)(Java Doc)
protected WMSMapContext mapContext(Code)(Java Doc)
protected String mime(Code)(Java Doc)
protected GTRenderer renderer(Code)(Java Doc)

Methods inherited from org.vfny.geoserver.wms.responses.AbstractGetMapProducer
public void abort()(Code)(Java Doc)
public String getContentDisposition()(Code)(Java Doc)
public String getContentEncoding()(Code)(Java Doc)
public String getContentType() throws java.lang.IllegalStateException(Code)(Java Doc)
public WMSMapContext getMapContext()(Code)(Java Doc)
public String getOutputFormat()(Code)(Java Doc)
public void setContentType(String mime)(Code)(Java Doc)
public void setMapContext(WMSMapContext mapContext)(Code)(Java Doc)
public void setOutputFormat(String outputFormat)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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